"Recent work has documented the northernmost Holocene volcano in South America. The andesitic-to-dacitic Romeral stratovolcano lies at the northern end of the Ruiz-Tolima volcanic chain, NW of Cerro Bravo volcano, and lies east of the towns of Neira and Aranzazu. It has produced two young plinian pumice deposits that blanket areas NW of the volcano. The pumice deposits are separated by a soil layer radiocarbon dated at about 8460 and 7340 years ago."  -Smithsonian Volcano Archive
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